513 lines
23 KiB
Python
513 lines
23 KiB
Python
#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import os
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from oslo.config import cfg
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from heat.api.aws import exception
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import heat.api.cloudwatch.watch as watches
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from heat.common import policy
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from heat.common.wsgi import Request
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from heat.rpc import api as engine_api
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from heat.rpc import client as rpc_client
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from heat.tests import common
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from heat.tests import utils
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class WatchControllerTest(common.HeatTestCase):
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'''
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Tests the API class which acts as the WSGI controller,
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the endpoint processing API requests after they are routed
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'''
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def _dummy_GET_request(self, params=None):
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# Mangle the params dict into a query string
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params = params or {}
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qs = "&".join(["=".join([k, str(params[k])]) for k in params])
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environ = {'REQUEST_METHOD': 'GET', 'QUERY_STRING': qs}
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req = Request(environ)
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req.context = utils.dummy_context()
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return req
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# The tests
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def test_reformat_dimensions(self):
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dims = [{'StackId': u'21617058-781e-4262-97ab-5f9df371ee52',
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'Foo': 'bar'}]
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self.assertEqual([{'Name': 'StackId',
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'Value': u'21617058-781e-4262-97ab-5f9df371ee52'},
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{'Name': 'Foo', 'Value': 'bar'}],
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self.controller._reformat_dimensions(dims)
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)
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def test_enforce_default(self):
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self.m.ReplayAll()
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params = {'Action': 'ListMetrics'}
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dummy_req = self._dummy_GET_request(params)
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self.controller.policy.policy_path = None
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response = self.controller._enforce(dummy_req, 'ListMetrics')
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self.assertIsNone(response)
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self.m.VerifyAll()
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def test_enforce_denied(self):
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self.m.ReplayAll()
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params = {'Action': 'ListMetrics'}
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dummy_req = self._dummy_GET_request(params)
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dummy_req.context.roles = ['heat_stack_user']
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self.controller.policy.policy_path = (self.policy_path +
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'deny_stack_user.json')
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self.assertRaises(exception.HeatAccessDeniedError,
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self.controller._enforce, dummy_req, 'ListMetrics')
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self.m.VerifyAll()
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def test_enforce_ise(self):
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params = {'Action': 'ListMetrics'}
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dummy_req = self._dummy_GET_request(params)
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dummy_req.context.roles = ['heat_stack_user']
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self.m.StubOutWithMock(policy.Enforcer, 'enforce')
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policy.Enforcer.enforce(dummy_req.context, 'ListMetrics'
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).AndRaise(AttributeError)
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self.m.ReplayAll()
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self.controller.policy.policy_path = (self.policy_path +
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'deny_stack_user.json')
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self.assertRaises(exception.HeatInternalFailureError,
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self.controller._enforce, dummy_req, 'ListMetrics')
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self.m.VerifyAll()
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def test_delete(self):
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# Not yet implemented, should raise HeatAPINotImplementedError
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params = {'Action': 'DeleteAlarms'}
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dummy_req = self._dummy_GET_request(params)
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result = self.controller.delete_alarms(dummy_req)
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self.assertIsInstance(result, exception.HeatAPINotImplementedError)
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def test_describe_alarm_history(self):
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# Not yet implemented, should raise HeatAPINotImplementedError
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params = {'Action': 'DescribeAlarmHistory'}
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dummy_req = self._dummy_GET_request(params)
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result = self.controller.describe_alarm_history(dummy_req)
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self.assertIsInstance(result, exception.HeatAPINotImplementedError)
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def test_describe_all(self):
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watch_name = None # Get all watches
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# Format a dummy GET request to pass into the WSGI handler
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params = {'Action': 'DescribeAlarms'}
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dummy_req = self._dummy_GET_request(params)
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# Stub out the RPC call to the engine with a pre-canned response
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engine_resp = [{u'state_updated_time': u'2012-08-30T14:13:21Z',
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u'stack_id': u'21617058-781e-4262-97ab-5f9df371ee52',
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u'period': u'300',
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u'actions': [u'WebServerRestartPolicy'],
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u'topic': None,
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u'periods': u'1',
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u'statistic': u'SampleCount',
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u'threshold': u'2',
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u'unit': None,
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u'state_reason': None,
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u'dimensions': [],
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u'namespace': u'system/linux',
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u'state_value': u'NORMAL',
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u'ok_actions': None,
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u'description': u'Restart the WikiDatabase',
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u'actions_enabled': None,
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u'state_reason_data': None,
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u'insufficient_actions': None,
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u'metric_name': u'ServiceFailure',
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u'comparison': u'GreaterThanThreshold',
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u'name': u'HttpFailureAlarm',
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u'updated_time': u'2012-08-30T14:10:46Z'}]
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self.m.StubOutWithMock(rpc_client.EngineClient, 'call')
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rpc_client.EngineClient.call(
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dummy_req.context,
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('show_watch', {'watch_name': watch_name})
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).AndReturn(engine_resp)
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self.m.ReplayAll()
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expected = {'DescribeAlarmsResponse': {'DescribeAlarmsResult':
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{'MetricAlarms': [
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{'EvaluationPeriods': u'1',
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'StateReasonData': None,
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'AlarmArn': None,
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'StateUpdatedTimestamp': u'2012-08-30T14:13:21Z',
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'AlarmConfigurationUpdatedTimestamp':
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u'2012-08-30T14:10:46Z',
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'AlarmActions': [u'WebServerRestartPolicy'],
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'Threshold': u'2',
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'AlarmDescription': u'Restart the WikiDatabase',
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'Namespace': u'system/linux',
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'Period': u'300',
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'StateValue': u'NORMAL',
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'ComparisonOperator': u'GreaterThanThreshold',
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'AlarmName': u'HttpFailureAlarm',
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'Unit': None,
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'Statistic': u'SampleCount',
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'StateReason': None,
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'InsufficientDataActions': None,
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'OKActions': None,
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'MetricName': u'ServiceFailure',
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'ActionsEnabled': None,
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'Dimensions':
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[{'Name': 'StackId',
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'Value': u'21617058-781e-4262-97ab-5f9df371ee52'}]
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}]}}}
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# Call the list controller function and compare the response
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self.assertEqual(expected, self.controller.describe_alarms(dummy_req))
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def test_describe_alarms_for_metric(self):
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# Not yet implemented, should raise HeatAPINotImplementedError
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params = {'Action': 'DescribeAlarmsForMetric'}
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dummy_req = self._dummy_GET_request(params)
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result = self.controller.describe_alarms_for_metric(dummy_req)
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self.assertIsInstance(result, exception.HeatAPINotImplementedError)
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def test_disable_alarm_actions(self):
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# Not yet implemented, should raise HeatAPINotImplementedError
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params = {'Action': 'DisableAlarmActions'}
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dummy_req = self._dummy_GET_request(params)
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result = self.controller.disable_alarm_actions(dummy_req)
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self.assertIsInstance(result, exception.HeatAPINotImplementedError)
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def test_enable_alarm_actions(self):
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# Not yet implemented, should raise HeatAPINotImplementedError
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params = {'Action': 'EnableAlarmActions'}
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dummy_req = self._dummy_GET_request(params)
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result = self.controller.enable_alarm_actions(dummy_req)
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self.assertIsInstance(result, exception.HeatAPINotImplementedError)
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def test_get_metric_statistics(self):
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# Not yet implemented, should raise HeatAPINotImplementedError
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params = {'Action': 'GetMetricStatistics'}
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dummy_req = self._dummy_GET_request(params)
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result = self.controller.get_metric_statistics(dummy_req)
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self.assertIsInstance(result, exception.HeatAPINotImplementedError)
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def test_list_metrics_all(self):
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params = {'Action': 'ListMetrics'}
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dummy_req = self._dummy_GET_request(params)
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# Stub out the RPC call to the engine with a pre-canned response
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# We dummy three different metrics and namespaces to test
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# filtering by parameter
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engine_resp = [{u'timestamp': u'2012-08-30T15:09:02Z',
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u'watch_name': u'HttpFailureAlarm',
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u'namespace': u'system/linux',
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u'metric_name': u'ServiceFailure',
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u'data': {u'Units': u'Counter', u'Value': 1}},
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{u'timestamp': u'2012-08-30T15:10:03Z',
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u'watch_name': u'HttpFailureAlarm2',
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u'namespace': u'system/linux2',
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u'metric_name': u'ServiceFailure2',
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u'data': {u'Units': u'Counter', u'Value': 1}},
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{u'timestamp': u'2012-08-30T15:16:03Z',
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u'watch_name': u'HttpFailureAlar3m',
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u'namespace': u'system/linux3',
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u'metric_name': u'ServiceFailure3',
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u'data': {u'Units': u'Counter', u'Value': 1}}]
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self.m.StubOutWithMock(rpc_client.EngineClient, 'call')
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# Current engine implementation means we filter in the API
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# and pass None/None for namespace/watch_name which returns
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# all metric data which we post-process in the API
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rpc_client.EngineClient.call(
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dummy_req.context,
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('show_watch_metric',
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{'metric_namespace': None, 'metric_name': None})
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).AndReturn(engine_resp)
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self.m.ReplayAll()
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expected = {'ListMetricsResponse':
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{'ListMetricsResult':
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{'Metrics': [{'Namespace': u'system/linux',
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'Dimensions':
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[{'Name': 'AlarmName',
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'Value': u'HttpFailureAlarm'},
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{'Name': 'Timestamp',
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'Value': u'2012-08-30T15:09:02Z'},
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{'Name': u'Units',
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'Value': u'Counter'},
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{'Name': u'Value',
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'Value': 1}],
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'MetricName': u'ServiceFailure'},
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{'Namespace': u'system/linux2',
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'Dimensions':
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[{'Name': 'AlarmName',
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'Value': u'HttpFailureAlarm2'},
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{'Name': 'Timestamp',
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'Value': u'2012-08-30T15:10:03Z'},
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{'Name': u'Units',
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'Value': u'Counter'},
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{'Name': u'Value',
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'Value': 1}],
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'MetricName': u'ServiceFailure2'},
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{'Namespace': u'system/linux3',
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'Dimensions':
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[{'Name': 'AlarmName',
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'Value': u'HttpFailureAlar3m'},
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{'Name': 'Timestamp',
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'Value': u'2012-08-30T15:16:03Z'},
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{'Name': u'Units',
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'Value': u'Counter'},
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{'Name': u'Value',
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'Value': 1}],
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'MetricName': u'ServiceFailure3'}]}}}
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# First pass no query paramters filtering, should get all three
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self.assertEqual(expected, self.controller.list_metrics(dummy_req))
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def test_list_metrics_filter_name(self):
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# Add a MetricName filter, so we should only get one of the three
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params = {'Action': 'ListMetrics',
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'MetricName': 'ServiceFailure'}
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dummy_req = self._dummy_GET_request(params)
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# Stub out the RPC call to the engine with a pre-canned response
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# We dummy three different metrics and namespaces to test
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# filtering by parameter
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engine_resp = [{u'timestamp': u'2012-08-30T15:09:02Z',
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u'watch_name': u'HttpFailureAlarm',
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u'namespace': u'system/linux',
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u'metric_name': u'ServiceFailure',
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u'data': {u'Units': u'Counter', u'Value': 1}},
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{u'timestamp': u'2012-08-30T15:10:03Z',
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u'watch_name': u'HttpFailureAlarm2',
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u'namespace': u'system/linux2',
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u'metric_name': u'ServiceFailure2',
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u'data': {u'Units': u'Counter', u'Value': 1}},
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{u'timestamp': u'2012-08-30T15:16:03Z',
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u'watch_name': u'HttpFailureAlar3m',
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u'namespace': u'system/linux3',
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u'metric_name': u'ServiceFailure3',
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u'data': {u'Units': u'Counter', u'Value': 1}}]
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self.m.StubOutWithMock(rpc_client.EngineClient, 'call')
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# Current engine implementation means we filter in the API
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# and pass None/None for namespace/watch_name which returns
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# all metric data which we post-process in the API
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rpc_client.EngineClient.call(
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dummy_req.context,
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('show_watch_metric',
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{'metric_namespace': None, 'metric_name': None})
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).AndReturn(engine_resp)
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self.m.ReplayAll()
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expected = {'ListMetricsResponse':
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{'ListMetricsResult':
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{'Metrics':
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[{'Namespace': u'system/linux',
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'Dimensions':
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[{'Name': 'AlarmName',
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'Value': u'HttpFailureAlarm'},
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{'Name': 'Timestamp',
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'Value': u'2012-08-30T15:09:02Z'},
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{'Name': u'Units',
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'Value': u'Counter'},
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{'Name': u'Value',
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'Value': 1}],
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'MetricName': u'ServiceFailure'}]}}}
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# First pass no query paramters filtering, should get all three
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self.assertEqual(expected, self.controller.list_metrics(dummy_req))
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def test_list_metrics_filter_namespace(self):
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# Add a Namespace filter and change the engine response so
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# we should get two responses
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params = {'Action': 'ListMetrics',
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'Namespace': 'atestnamespace/foo'}
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dummy_req = self._dummy_GET_request(params)
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# Stub out the RPC call to the engine with a pre-canned response
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# We dummy three different metrics and namespaces to test
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# filtering by parameter
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engine_resp = [{u'timestamp': u'2012-08-30T15:09:02Z',
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u'watch_name': u'HttpFailureAlarm',
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u'namespace': u'atestnamespace/foo',
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u'metric_name': u'ServiceFailure',
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u'data': {u'Units': u'Counter', u'Value': 1}},
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{u'timestamp': u'2012-08-30T15:10:03Z',
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u'watch_name': u'HttpFailureAlarm2',
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u'namespace': u'atestnamespace/foo',
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u'metric_name': u'ServiceFailure2',
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u'data': {u'Units': u'Counter', u'Value': 1}},
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{u'timestamp': u'2012-08-30T15:16:03Z',
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u'watch_name': u'HttpFailureAlar3m',
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u'namespace': u'system/linux3',
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u'metric_name': u'ServiceFailure3',
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u'data': {u'Units': u'Counter', u'Value': 1}}]
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self.m.StubOutWithMock(rpc_client.EngineClient, 'call')
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# Current engine implementation means we filter in the API
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# and pass None/None for namespace/watch_name which returns
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# all metric data which we post-process in the API
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rpc_client.EngineClient.call(
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dummy_req.context,
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('show_watch_metric',
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{'metric_namespace': None, 'metric_name': None})
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).AndReturn(engine_resp)
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self.m.ReplayAll()
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expected = {'ListMetricsResponse':
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{'ListMetricsResult':
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{'Metrics':
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[{'Namespace': u'atestnamespace/foo',
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'Dimensions':
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[{'Name': 'AlarmName',
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'Value': u'HttpFailureAlarm'},
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{'Name': 'Timestamp',
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'Value': u'2012-08-30T15:09:02Z'},
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{'Name': u'Units',
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'Value': u'Counter'},
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{'Name': u'Value',
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'Value': 1}],
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'MetricName': u'ServiceFailure'},
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{'Namespace': u'atestnamespace/foo',
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'Dimensions':
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[{'Name': 'AlarmName',
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'Value': u'HttpFailureAlarm2'},
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{'Name': 'Timestamp',
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'Value': u'2012-08-30T15:10:03Z'},
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{'Name': u'Units',
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'Value': u'Counter'},
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{'Name': u'Value',
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'Value': 1}],
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'MetricName': u'ServiceFailure2'}]}}}
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self.assertEqual(expected, self.controller.list_metrics(dummy_req))
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def test_put_metric_alarm(self):
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# Not yet implemented, should raise HeatAPINotImplementedError
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params = {'Action': 'PutMetricAlarm'}
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dummy_req = self._dummy_GET_request(params)
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result = self.controller.put_metric_alarm(dummy_req)
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self.assertIsInstance(result, exception.HeatAPINotImplementedError)
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def test_put_metric_data(self):
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params = {u'Namespace': u'system/linux',
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u'MetricData.member.1.Unit': u'Count',
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u'MetricData.member.1.Value': u'1',
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u'MetricData.member.1.MetricName': u'ServiceFailure',
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u'MetricData.member.1.Dimensions.member.1.Name':
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u'AlarmName',
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u'MetricData.member.1.Dimensions.member.1.Value':
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u'HttpFailureAlarm',
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u'Action': u'PutMetricData'}
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dummy_req = self._dummy_GET_request(params)
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# Stub out the RPC call to verify the engine call parameters
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engine_resp = {}
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self.m.StubOutWithMock(rpc_client.EngineClient, 'call')
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rpc_client.EngineClient.call(
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dummy_req.context,
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('create_watch_data',
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{'watch_name': u'HttpFailureAlarm',
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'stats_data': {
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'Namespace': u'system/linux',
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'ServiceFailure': {
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'Value': u'1', 'Unit': u'Count', 'Dimensions': []}}})
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).AndReturn(engine_resp)
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self.m.ReplayAll()
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expected = {'PutMetricDataResponse': {'PutMetricDataResult':
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{'ResponseMetadata': None}}}
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self.assertEqual(expected, self.controller.put_metric_data(dummy_req))
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def test_set_alarm_state(self):
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state_map = {'OK': engine_api.WATCH_STATE_OK,
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'ALARM': engine_api.WATCH_STATE_ALARM,
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'INSUFFICIENT_DATA': engine_api.WATCH_STATE_NODATA}
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for state in state_map.keys():
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params = {u'StateValue': state,
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u'StateReason': u'',
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u'AlarmName': u'HttpFailureAlarm',
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u'Action': u'SetAlarmState'}
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dummy_req = self._dummy_GET_request(params)
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# Stub out the RPC call to verify the engine call parameters
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# The real engine response is the same as show_watch but with
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# the state overridden, but since the API doesn't make use
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# of the response at present we pass nothing back from the stub
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engine_resp = {}
|
|
|
|
self.m.StubOutWithMock(rpc_client.EngineClient, 'call')
|
|
rpc_client.EngineClient.call(
|
|
dummy_req.context,
|
|
('set_watch_state',
|
|
{'state': state_map[state],
|
|
'watch_name': u'HttpFailureAlarm'})
|
|
).AndReturn(engine_resp)
|
|
|
|
self.m.ReplayAll()
|
|
|
|
expected = {'SetAlarmStateResponse': {'SetAlarmStateResult': ''}}
|
|
self.assertEqual(expected,
|
|
self.controller.set_alarm_state(dummy_req))
|
|
|
|
self.m.UnsetStubs()
|
|
self.m.VerifyAll()
|
|
|
|
def test_set_alarm_state_badstate(self):
|
|
params = {u'StateValue': "baaaaad",
|
|
u'StateReason': u'',
|
|
u'AlarmName': u'HttpFailureAlarm',
|
|
u'Action': u'SetAlarmState'}
|
|
dummy_req = self._dummy_GET_request(params)
|
|
|
|
# should raise HeatInvalidParameterValueError
|
|
result = self.controller.set_alarm_state(dummy_req)
|
|
self.assertIsInstance(result, exception.HeatInvalidParameterValueError)
|
|
|
|
def setUp(self):
|
|
super(WatchControllerTest, self).setUp()
|
|
self.path = os.path.dirname(os.path.realpath(__file__))
|
|
self.policy_path = self.path + "/policy/"
|
|
opts = [
|
|
cfg.StrOpt('config_dir', default=self.policy_path),
|
|
cfg.StrOpt('config_file', default='foo'),
|
|
cfg.StrOpt('project', default='heat'),
|
|
]
|
|
cfg.CONF.register_opts(opts)
|
|
cfg.CONF.set_default('host', 'host')
|
|
self.topic = engine_api.ENGINE_TOPIC
|
|
self.api_version = '1.0'
|
|
|
|
# Create WSGI controller instance
|
|
class DummyConfig(object):
|
|
bind_port = 8003
|
|
cfgopts = DummyConfig()
|
|
self.controller = watches.WatchController(options=cfgopts)
|
|
self.controller.policy.enforcer.policy_path = (self.policy_path +
|
|
'deny_stack_user.json')
|
|
self.addCleanup(self.m.VerifyAll)
|